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Finding the Fourth Proportional to 8,743.13, 13,116.03 and 2,901.11

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Solution

The fourth proportional to 8,743.13, 13,116.03 and 2,901.11 is: 4,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.13 : 13,116.03 = 2,901.11 : x
  2. Step 2: Convert to fraction form
    8,743.13/13,116.03 = 2,901.11/x
  3. Step 3: Cross multiply
    8,743.13x = 13,116.03 × 2,901.11
  4. Step 4: Simplify right side
    8,743.13x = 38,051,045.79
  5. Step 5: Solve for x
    x = 38,051,045.79/8,743.13
  6. Step 6: Final answer
    x = 4,352.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.